22111111101 has 4 divisors (see below), whose sum is σ = 29481481472. Its totient is φ = 14740740732.

The previous prime is 22111111097. The next prime is 22111111123. The reversal of 22111111101 is 10111111122.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 22111111101 - 2² = 22111111097 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22111111901) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3685185181 + ... + 3685185186.

It is an arithmetic number, because the mean of its divisors is an integer number (7370370368).

Almost surely, 2^22111111101 is an apocalyptic number.

It is an amenable number.

22111111101 is a deficient number, since it is larger than the sum of its proper divisors (7370370371).

22111111101 is an equidigital number, since it uses as much as digits as its factorization.

22111111101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7370370370.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 22111111101 its reverse (10111111122), we get a palindrome (32222222223).

The spelling of 22111111101 in words is "twenty-two billion, one hundred eleven million, one hundred eleven thousand, one hundred one".